An X-ray is an imaging test that uses small amounts of radiation to produce pictures of the organs, tissues, and bones of the body. When focused on the chest, it can help spot abnormalities or diseases of the airways, blood vessels, bones, heart, ...

The creatine phosphokinase test measures the amount of creatine phosphokinase (CPK) present in the blood. The test is also known as creatine kinase, CPK test, and CK test. Creatine phosphokinase is a specific enzyme found primarily in the heart, s...

A complete blood count, or CBC, is an easy and very common test that screens for certain disorders that can affect your health. A CBC measures several components of your blood and can help diagnose a broad range of conditions, from anemia and infe...

An X-ray is a common imaging test that allows doctors to view the inside of your body without having to make an incision. X-rays are waves of electromagnetic radiation that are absorbed differently by different tissues. Bones absorb them well beca...

An extremity X-ray is an X-ray image taken of your extremities (your arms, legs, hands, wrists, feet, ankles, shoulders, knees, or hips). An X-ray is a form of radiation that passes through your body and exposes a piece of film, forming an image o...

The rotator cuff is a group of four muscles and tendons that help stabilize the shoulder and aid in movement. Rotator cuff strains or tears are caused by overuse or acute injury. Repetitive lifting can put you at risk.

An X-ray is a common imaging test that has been used for decades to help doctors view the inside of the body without having to make an incision. The X-ray was made public in 1896 with an image of the hand of anatomist Albert von Köliker. In the hu...